/**
 * Copyright (c) 2009, Brian Showalter
 * All rights reserved.
 * ====================================================================
 * Licensed under the BSD License. Text as follows.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   - Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *   - Redistributions in binary form must reproduce the above
 *     copyright notice, this list of conditions and the following
 *     disclaimer in the documentation and/or other materials provided
 *     with the distribution.
 *   - Neither the name brianshowalter.com nor the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 * ====================================================================
 */

package com.brianshowalter.drupalrewrite;

import java.io.IOException;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.tuckey.web.filters.urlrewrite.ClassRule;
import org.tuckey.web.filters.urlrewrite.extend.RewriteMatch;
import org.tuckey.web.filters.urlrewrite.utils.Log;
/**
 * Processes the clean URL and dispatches the request to its unclean counterpart.
 * @author edited source by Tapomay for use of the app on JBoss as exploded war
 *
 */
public class DrupalMatch extends RewriteMatch
{
	private static Log log = Log.getLog(DrupalMatch.class);
    public DrupalMatch()
    {
    }

    public boolean execute(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException
    {
        String queryString = request.getQueryString();
        
        //@UPDATE@TAPOMAY.....
        String contextstr= request.getContextPath();
        //.....@UPDATED@TAPOMAY
        
        log.debug("@DRUPALMATCH.Drupalmatch: Context = "+contextstr);
        String requestUri= request.getRequestURI();
        log.debug("@DRUPALMATCH.Drupalmatch: RequestUri = "+requestUri); 

        //@UPDATE@TAPOMAY.....
        String drupalpath= requestUri.replaceAll(contextstr, "").substring(1);
        //.....@UPDATED@TAPOMAY
        
        log.debug("@DRUPALMATCH.Drupalmatch: Drupalpath = "+drupalpath);        
        StringBuilder newURI = new StringBuilder(512);
        
        //@UPDATE@TAPOMAY.....
        //newURI.append("/index.php?q=").append(request.getRequestURI().substring(1));
        newURI.append("/index.php?q=").append(drupalpath);
        //.....@UPDATED@TAPOMAY
        
        if(queryString != null)
            newURI.append("&").append(request.getQueryString());
        log.debug("@DRUPALMATCH.Drupalmatch: NewURI = "+newURI.toString());
        RequestDispatcher rd = request.getRequestDispatcher(newURI.toString());
        rd.forward(request, response);
        return true;
    }
}
